A3 821 then GQ 222 at Athens
Berlin → Athens → Kos
Timetable, Athens time
14:55A3 821 from Berlin at the gate
14:45GQ 222 to Kos leaves the gate
23 h 50 apart on the timetable, overnight
GQ 222 leaves 23 h 50 after A3 821 arrives on the timetable: more than half a day, so not a connection we count.